6,899 results
6,899 results for: Bears
- Plants
Warm-Blooded Plants?
Research heats up on why some flowers have the chemistry to keep themselves warm.
- Humans
Undignified Science
Research advances in 2003 heralded a string of unexpected scientific indignities that will occur in the future, at least in the fevered imagination of one writer.
- Humans
Undignified Science
Research advances in 2003 heralded a string of unexpected scientific indignities that will occur in the future, at least in the fevered imagination of one writer.
- Paleontology
L.A.’s Oldest Tourist Trap
Modern excavations at the La Brea tar pits are revealing a wealth of information about local food chains during recent ice ages, as well as details about what happened to trapped animals in their final hours.
- Health & Medicine
Telltale Charts
Overturning a basic tenet of conventional wisdom in cardiology, new research suggests that more than half the people who develop heart disease first show one of the warning signs of smoking, having diabetes, or having high blood pressure or cholesterol.
- Tech
Body Builders
By growing stem cells on three- dimensional polymer scaffolds, tissue engineers hope to mimic natural tissue development and ultimately produce replacement body parts.
- Health & Medicine
Born to Heal
The controversial strategy of screening embryos to produce donors for siblings raises hopes and presents new ethical dilemmas.
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The Bad Seed
Researchers are racing to identify tumor-forming stem cells in skin, lung, pancreatic, and many other cancers.
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Mother and Child Disunion
Data on extensive giveaways of daughters by their mothers in northern Taiwan a century ago may challenge influential theories of innate maternal sentiments.
- Animals
The Social Lives of Snakes
A lot of pit vipers aren't the asocial loners that even snake fans had long assumed.
- Astronomy
Shades of Venus
On June 8, for the first time in 122 years, the silhouette of Venus will move across the face of the sun.
- Tech
Reinventing the Yo-Yo
No longer simple toys, today's pricey yo-yos sport high-tech features—such as ball bearing transaxles and precision string-snagging mechanisms—that permit dazzling new styles and complex tricks.
